FR2162265A1 - Liquid level indicator - utilising plastic floats indifferent to cryogenic fluids - Google Patents

Liquid level indicator - utilising plastic floats indifferent to cryogenic fluids

Info

Publication number
FR2162265A1
FR2162265A1 FR7143982A FR7143982A FR2162265A1 FR 2162265 A1 FR2162265 A1 FR 2162265A1 FR 7143982 A FR7143982 A FR 7143982A FR 7143982 A FR7143982 A FR 7143982A FR 2162265 A1 FR2162265 A1 FR 2162265A1
Authority
FR
France
Prior art keywords
float
level indicator
indifferent
liquid level
tape
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7143982A
Other languages
French (fr)
Other versions
FR2162265B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
Original Assignee
Air Liquide SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Liquide SA filed Critical Air Liquide SA
Priority to FR7143982A priority Critical patent/FR2162265A1/en
Publication of FR2162265A1 publication Critical patent/FR2162265A1/en
Application granted granted Critical
Publication of FR2162265B1 publication Critical patent/FR2162265B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/0038—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm using buoyant probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/0023—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm with a probe suspended by a wire or thread
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/40—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements
    • G01F23/42—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements using mechanically actuated indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)

Abstract

Level indicator for cryogenic reservoirs, comprising a probe tube with a graduated tape passing over a pulley and past an inspection window in response to the relative positions of a float and a sinker on opposite ends of the tape. Pref. the probe tube and the suspended profiles engage to prevent twisting of the tape by spinning of the float or the sinker. Pref. the float is made of PVC, 'Teflon' (RTM) or -Afcodur' (RTM). Pref. the sinker has a mass approx. 2/3 that of the float, but a density greater than that of the liquid. The graduated tape is of polyimide.
FR7143982A 1971-12-08 1971-12-08 Liquid level indicator - utilising plastic floats indifferent to cryogenic fluids Granted FR2162265A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7143982A FR2162265A1 (en) 1971-12-08 1971-12-08 Liquid level indicator - utilising plastic floats indifferent to cryogenic fluids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7143982A FR2162265A1 (en) 1971-12-08 1971-12-08 Liquid level indicator - utilising plastic floats indifferent to cryogenic fluids

Publications (2)

Publication Number Publication Date
FR2162265A1 true FR2162265A1 (en) 1973-07-20
FR2162265B1 FR2162265B1 (en) 1974-10-31

Family

ID=9087112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7143982A Granted FR2162265A1 (en) 1971-12-08 1971-12-08 Liquid level indicator - utilising plastic floats indifferent to cryogenic fluids

Country Status (1)

Country Link
FR (1) FR2162265A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1443315A1 (en) * 2003-01-29 2004-08-04 Kibong Choi Liquid level gauge with inflatable float
GB2431473A (en) * 2005-10-20 2007-04-25 Kibong Choi A liquid level gauge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR468724A (en) * 1913-03-04 1914-07-13 Louis Badois Device indicating, by simple reading, the quantity or level of a liquid contained in a closed tank
US1379271A (en) * 1919-12-08 1921-05-24 Augustin W Malinowsky Contents-indicator for containers
US3279254A (en) * 1963-12-03 1966-10-18 Peter C Zumbusch Liquid level gauge
US3289477A (en) * 1965-09-28 1966-12-06 J Y Taylor Company Float for liquid level gauge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR468724A (en) * 1913-03-04 1914-07-13 Louis Badois Device indicating, by simple reading, the quantity or level of a liquid contained in a closed tank
US1379271A (en) * 1919-12-08 1921-05-24 Augustin W Malinowsky Contents-indicator for containers
US3279254A (en) * 1963-12-03 1966-10-18 Peter C Zumbusch Liquid level gauge
US3289477A (en) * 1965-09-28 1966-12-06 J Y Taylor Company Float for liquid level gauge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1443315A1 (en) * 2003-01-29 2004-08-04 Kibong Choi Liquid level gauge with inflatable float
GB2431473A (en) * 2005-10-20 2007-04-25 Kibong Choi A liquid level gauge

Also Published As

Publication number Publication date
FR2162265B1 (en) 1974-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse